Outfront Motorsports Subaru Performance On-Road and Off-Road Parts Store

This Block Is Our Base Non Closed Deck (Semi Closed) Hybrid Ej25 W/ EJ20 Heads With Forged Internals. This is for 500 WHP or less.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with B25, V25, W25, and N25 cylinder heads found on the 04+ STI and other EJ257 applications.

This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the D25 cylinder heads found on the 06-14 WRX and other EJ255 applications.
This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. This block is rated at 500 BHP.

This Block Is Our V4 Closed Deck EJ257 Racer+ With Billet Crankshaft, Custom Je Ultra Pistons and +2mm longer Manley Tri Beam Rods w/ 625+ bolts. This short block is the go to for 1100+ BHP.

This Block Is Our V4 Closed Deck EJ257 Racer With Je Ultra Pistons and +2mm longer Manley Tri Beam Rods w/ 625+ bolts. This short block is the go to for 1000+ BHP.

This Block Is Our V3 Closed Deck EJ257 Ultra With Je Ultra Pistons and Boostline Rods. This short block is the go to for 700 BHP.

This Block Is Our V4 Closed Deck EJ257 Ultra With Je Ultra Pistons and Manley Tri-Beam Connecting Rods W/ ARP 625+ Bolts. This short block is the go-to for 1000 BHP.

This Block Is Our V3 Closed Deck EJ257 Long Rod Short Block W/ Je Pistons and Outfront +2mm Rods. This short block is the go to for 700 BHP and Higher RPM.

This Block Is Our V4 Closed Deck EJ257 Long Rod Short Block W/ Je Pistons and Outfront +2mm Rods W/ 625+ Bolts. This short block is the go to for 800 BHP and Higher RPM.

This Block Is Our Base Non Closed Deck (Semi Closed) EJ257 +2mm Long Rod Engine With Forged Internals.

This is recommended for 600BHP or less.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car rated at 500 BHP.

This Block Is Our Closed Deck EJ257 With Forged Internals. 

This Block Is Our Base Non Closed Deck (Semi Closed) EJ257 With Forged Internals. This is for 500 WHP or less.